Color

#0a4bb2

#0a4bb2
hex#0a4bb2
rgbrgb(10, 75, 178)
hslhsl(217, 89%, 37%)
oklchoklch(0.444 0.175 260.4)
Closest name: Denim (#2243b6)Relative luminance 0.0831

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b2720a

#0a9fb2 · #1e0ab2

#b20a4b · #4bb20a

Split-complementary

Open in tool →

#b21e0a · #9fb20a

#b20a9f · #b2720a · #0ab21e

Contrast

#0a4bb2 as textRatioAAAA largeAAAFix
Aaon white
7.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.66:1failfailfail
  • AA: use #1c6ef2 as the text (4.56:1)
  • AAA: use #5b96f5 as the text (7.13:1)
  • AA: or shift the background to #c4c4c4 (4.52:1)
  • AAA: or shift the background to #f2f2f2 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a4bb2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#0a4bb2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a4bb2
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #0a4bb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a4bb2-9ca7c4-df624e-201f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md